7 letter words:
spumous11,
6 letter words:
possum10,
5 letter words:
sumps9,
soups7,
sumos7,
4 letter words:
mops8,
poms8,
sump8,
umps8,
moss6,
muss6,
opus6,
puss6,
soms6,
sops6,
soup6,
sumo6,
sums6,
sups6,
sous4,
3 letter words:
mop7,
pom7,
ump7,
mos5,
mus5,
oms5,
ops5,
pus5,
som5,
sop5,
sum5,
sup5,
upo5,
ups5,
sos3,
sou3,
2 letter words:
mo4,
mu4,
om4,
op4,
um4,
up4,
os2,
so2,
us2,